CheckVegan

Is Mercuric Oxide vegan?

Mercuric Oxide

Vegan Vegan
Vegetarian Vegetarian

Mercuric oxide, also known as mercury(II) oxide, is an inorganic mineral compound with the formula HgO, occurring as a red or orange solid; it has historically been used in some cosmetic and pharmaceutical preparations.

Also known as Mercury(II) oxide
INCI name Mercuric Oxide
CAS number 21908-53-2
EC number 244-654-7
CosIng ID 84965
Last reviewed 9 July 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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